Pint-sized powerhouse Kristin Chenoweth

Pint-sized powerhouse Kristin Chenoweth is in the house, and she's getting us into the holiday spirit, dishing on the 16th annual "Christmas with the Tabernacle Choir" performance! Then, our audience puts "Shark Tank’s" Barbara Corcoran on the spot for her advice on everything from careers to relationships. Not to mention that we've got a gadget guru with this year’s coolest holiday tech. In the kitchen, Rach is making a Cast-Iron Skillet Buffalo Chicken Shepherd's Pie!